Extjs legt die Hintergrundfarbe einer bestimmten Zeile einer Tabelle basierend auf Conditions

Extjs legt die Hintergrundfarbe einer bestimmten Zeile einer Tabelle basierend auf Conditions_extjs fest

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Freigeben： 2016-05-16 16:41:12

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HTML-Code:

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 
<html> 
<head> 
<link rel="stylesheet" type="text/css" href="../extjs3/resources/css/ext-all.css" rel="external nofollow" /> 
<script type="text/javascript" src="../extjs3/adapter/ext/ext-base.js"></script> 
<script type="text/javascript" src="../extjs3/ext-all.js"></script> 
<script type="text/javascript" src="array-grid.js"></script> 
<style type="text/css"> 
.<span style="font-family: Arial, Helvetica, sans-serif;">my_row_class</span><span style="font-family: Arial, Helvetica, sans-serif;">{ background:gray;}</span> 
</style> 
</head> 
<body> 
<div id="grid-example"></div> 
</body> 
</html>

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js-Code, der durch ----- getrennte Code ist der Schlüsselcode. Analysieren Sie ihn selbst:

Ext.onReady(function(){ 
Ext.QuickTips.init(); 
Ext.state.Manager.setProvider(new Ext.state.CookieProvider()); 

// sample static data for the store 
var myData = [ 
['3m Co', 71.72, 0.02, 0.03, '9/1 12:00am'], 
['3m Co', 71.72, 0.02, 0.03, '9/1 12:00am'], 
['Alcoa Inc', 29.01, 0.42, 1.47, '9/1 12:00am'], 
['Altria Group Inc', 83.81, 0.28, 0.34, '9/1 12:00am'], 
['Altria Group Inc', 83.81, 0.28, 0.34, '9/1 12:00am'], 
['Altria Group Inc', 83.81, 0.28, 0.34, '9/1 12:00am'], 
['Wal-Mart Stores, Inc.', 45.45, 0.73, 1.63, '9/1 12:00am'] 
]; 

/** 
* Custom function used for column renderer 
* @param {Object} val 
*/ 
function change(val) { 
if (val > 0) { 
return '<span style="color:green;">' + val + '</span>'; 
} else if (val < 0) { 
return '<span style="color:red;">' + val + '</span>'; 
} 
return val; 
} 

/** 
* Custom function used for column renderer 
* @param {Object} val 
*/ 
function pctChange(val) { 
if (val > 0) { 
return '<span style="color:green;">' + val + '%</span>'; 
} else if (val < 0) { 
return '<span style="color:red;">' + val + '%</span>'; 
} 
return val; 
} 

// create the data store 
var store = new Ext.data.ArrayStore({ 
fields: [ 
{name: 'company'}, 
{name: 'price', type: 'float'}, 
{name: 'change', type: 'float'}, 
{name: 'pctChange', type: 'float'}, 
{name: 'lastChange', type: 'date', dateFormat: 'n/j h:ia'} 
] 
}); 

// manually load local data 
store.loadData(myData); 

// create the Grid 
var grid = new Ext.grid.GridPanel({ 
store: store, 
columns: [ 
{ 
id :'company', 
header : 'Company', 
width : 160, 
sortable : true, 
dataIndex: 'company' 
}, 
{ 
header : 'Price', 
width : 75, 
sortable : true, 
renderer : 'usMoney', 
dataIndex: 'price' 
}, 
{ 
header : 'Change', 
width : 75, 
sortable : true, 
renderer : change, 
dataIndex: 'change' 
}, 
{ 
header : '% Change', 
width : 75, 
sortable : true, 
renderer : pctChange, 
dataIndex: 'pctChange' 
}, 
{ 
header : 'Last Updated', 
width : 85, 
sortable : true, 
renderer : Ext.util.Format.dateRenderer('m/d/Y'), 
dataIndex: 'lastChange' 
} 
],viewConfig : {forceFit:true 
//------------------------------------------------ 
,getRowClass : function(record,rowIndex,rowParams,store){ 
if("3m Co"==record.get('company')){ 
return 'my_row_class'; 
} 
} 
//------------------------------------------------ 
}, 
stripeRows: true, 
autoExpandColumn: 'company', 
height: 350, 
width: 600, 
title: 'Array Grid', 
// config options for stateful behavior 
stateful: true, 
stateId: 'grid' 
}); 

// render the grid to the specified div in the page 
grid.render('grid-example'); 
});

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